Home / 81,464.32-122,215.56-25,301.56

Finding the Fourth Proportional to 81,464.32, 122,215.56 and 25,301.56

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Solution

The fourth proportional to 81,464.32, 122,215.56 and 25,301.56 is: 37,958.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,464.32 : 122,215.56 = 25,301.56 : x
  2. Step 2: Convert to fraction form
    81,464.32/122,215.56 = 25,301.56/x
  3. Step 3: Cross multiply
    81,464.32x = 122,215.56 × 25,301.56
  4. Step 4: Simplify right side
    81,464.32x = 3,092,244,324.27
  5. Step 5: Solve for x
    x = 3,092,244,324.27/81,464.32
  6. Step 6: Final answer
    x = 37,958.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.